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All results from a given calculation for CHFCHClz ((Z)-1-Chloro-2-fluoroethene)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-637.314355
Energy at 298.15K-637.316598
HF Energy-637.314355
Nuclear repulsion energy142.535487
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3329 3151 6.64      
2 A' 3288 3112 4.02      
3 A' 1764 1670 35.83      
4 A' 1376 1303 18.66      
5 A' 1274 1206 14.92      
6 A' 1069 1012 80.77      
7 A' 784 742 16.22      
8 A' 638 604 26.50      
9 A' 195 184 1.69      
10 A" 952 901 0.99      
11 A" 785 743 63.58      
12 A" 455 431 9.32      

Unscaled Zero Point Vibrational Energy (zpe) 7954.0 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 7529.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/6-31G
ABC
0.52334 0.11962 0.09737

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.894 0.000
C2 1.255 0.473 0.000
Cl3 -1.399 -0.210 0.000
F4 1.600 -0.856 0.000
H5 -0.260 1.940 0.000
H6 2.111 1.133 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6
C11.32391.78232.37151.07802.1243
C21.32392.74081.37362.10891.0805
Cl31.78232.74083.06762.43373.7580
F42.37151.37363.06763.35862.0542
H51.07802.10892.43373.35862.5042
H62.12431.08053.75802.05422.5042

picture of (Z)-1-Chloro-2-fluoroethene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 123.064 C1 C2 H6 123.818
C2 C1 Cl3 123.176 C2 C1 H5 122.480
Cl3 C1 H5 114.344 F4 C2 H6 113.118
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.453      
2 C 0.227      
3 Cl 0.094      
4 F -0.304      
5 H 0.232      
6 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.082 2.624 0.000 2.838
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.653 2.757 0.000
y 2.757 -26.949 0.000
z 0.000 0.000 -30.338
Traceless
 xyz
x -0.010 2.757 0.000
y 2.757 2.547 0.000
z 0.000 0.000 -2.536
Polar
3z2-r2-5.073
x2-y2-1.705
xy2.757
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.601 0.518 0.000
y 0.518 4.129 0.000
z 0.000 0.000 1.673


<r2> (average value of r2) Å2
<r2> 106.717
(<r2>)1/2 10.330